The difference between Abnormal and Usual

When used as adjectives, abnormal means not conforming to rule or system, whereas usual means most commonly occurring.

Abnormal is also noun with the meaning: a person or object that is not normal.

check bellow for the other definitions of Abnormal and Usual

  1. Abnormal as an adjective:

    Not conforming to rule or system; deviating from the usual or normal type.

  2. Abnormal as an adjective:

    Of or pertaining to that which is irregular, in particular, behaviour that deviates from norms of social propriety or accepted standards of mental health.

  1. Abnormal as a noun:

    A person or object that is not normal.

  1. Usual as an adjective:

    Most commonly occurring; typical.


    "The preference of a boy to a girl is a usual occurrence in some parts of China."

    "It is becoming more usual these days to rear children as bilingual."